G21K1/00

HIGH DENSITY ENERGY DIRECTING DEVICE
20210349259 · 2021-11-11 ·

Disclosed embodiments include an energy directing device having one or more energy relay elements configured to direct energy from one or more energy locations through the device. In an embodiment, surfaces of the one or more energy relay elements may form a singular seamless energy surface where a separation between adjacent energy relay element surfaces is less than a minimum perceptible contour. In disclosed embodiments, energy is produced at energy locations having an active energy surface and a mechanical envelope. In an embodiment, the energy directing device is configured to relay energy from the energy locations through the singular seamless energy surface while minimizing separation between energy locations due to their mechanical envelope. In embodiments, the energy relay elements may comprise energy relays utilizing transverse Anderson localization phenomena.

NEUTRAL ATOM QUANTUM INFORMATION PROCESSOR

Systems and methods relate to arranging atoms into 1D and/or 2D arrays; exciting the atoms into Rydberg states and evolving the array of atoms, for example, using laser manipulation techniques and high-fidelity laser systems described herein; and observing the resulting final state. In addition, refinements can be made, such as providing high fidelity and coherent control of the assembled array of atoms. Exemplary problems can be solved using the systems and methods for arrangement and control of atoms.

METHODS AND APPARATUSES FOR BARIUM STATES PREPARATIONS FOR QUANTUM OPERATIONS

A method and system is provided for operating a quantum information processing (QIP) system, including a dual-space, single-species architecture for trapped-ion quantum information processing. An exemplary method of preparing the ions include i) applying a first optical beam to the plurality of ions to shelve at least a portion of the plurality of ions from a first state to a second state, ii) applying a second optical beam to the plurality of ions to deshelve the at least a portion of the plurality of ions from the second state to a third state, iii) applying a third optical beam to optically pump the at least a portion of the plurality of ions from the third state and to a fourth state, and iv) iteratively repeat i) to iii) to transition a remaining portion of the plurality of ions to the fourth state.

HOLOGRAPHIC SUPERIMPOSITION OF REAL WORLD PLENOPTIC OPACITY MODULATION THROUGH TRANSPARENT WAVEGUIDE ARRAYS FOR LIGHT FIELD, VIRTUAL AND AUGMENTED REALITY
20230333310 · 2023-10-19 ·

Disclosed are transparent energy relay waveguide systems for the superimposition of holographic opacity modulation states for holographic, light field, virtual, augmented and mixed reality applications. The light field system may comprise one or more energy waveguide relay systems with one or more energy modulation elements, each energy modulation element configured to modulate energy passing therethrough, whereby the energy passing therethrough may be directed according to 4D plenoptic functions or inverses thereof.

DEVICE FOR MEASURING A QUANTITY REPRESENTATIVE OF A POPULATION OF COLD ATOMS AND ASSOCIATED SENSOR
20230332892 · 2023-10-19 ·

A device for measuring a quantity representative of a population (N) of cold atoms, the cold atoms being located in a cloud of cold atoms to be analyzed, the device includes a microwave source configured to generate an incident signal at a predetermined signal frequency, a microwave guide configured to propagate the incident signal and an antenna configured to emit the incident signal to the cloud of cold atoms and its environment, the antenna and the microwave guide also being able to recover an atomic reflected signal resulting from a reflection of the incident signal by the cloud and its environment, and which propagates in the waveguide in the opposite direction to the incident signal, a splitting device coupled to the microwave guide and configured to extract at least part of the atomic reflected signal, a detector configured to detect the atomic reflected signal extracted by the splitting device, the quantity representative of the population of cold atoms (N) being obtained from a detected value of the atomic reflected signal and from a detected value of a signal reflected by the environment in the absence of the cloud, called reference reflected signal.

QUANTUM SIMULATOR AND QUANTUM SIMULATION METHOD

A quantum simulator includes a chamber, a light beam generation apparatus, and a photodetector. The light beam generation apparatus includes a light source, an optical mask, a spatial light modulator, and a lens. The optical mask includes an inner region having a rectangular shape with a side parallel to a first direction or a second direction, and an outer region surrounding the inner region. When an xy coordinate system including an x axis parallel to the first direction and a y axis parallel to the second direction is set on an image plane, the light beam generation apparatus forms and regularly arranges focusing spots such that a minimum value of a difference between x coordinate values and a minimum value of a difference between y coordinate values of center positions of the focusing spots are longer than a non-overlapping distance.

OPTICAL TRAP USING A FOCUSED HOLLOW BEAM OF UNEQUAL AXISYMMETRY AND NO ANGULAR MOMENTUM FOR TRAPPING AND ROTATING AIRBORNE PARTICLES
20230314299 · 2023-10-05 ·

Systems and methods for trapping and holding airborne particles using an orienting hollow beam are disclosed. In the various embodiments, an optical trap comprises: a light source for generating a beam of light; optics and/or mechanics for forming and shaping the beam of light into an orienting hollow beam having unequal axisymmetry with a substantially hollow ring geometry cross-section and no angular momentum; an optical focusing element for focusing the orienting hollow beam; and a trapping region where an airborne particle can be present to be trapped and held at or near a focal point of the focused optical focusing element. In this arrangement, the particle is trapped at or near the focal point of the focused orienting hollow beam. In this arrangement, the particle is trapped at or near the focal point of the focused orienting hollow beam. The orienting hollow beam may be made rotatable in some embodiments.

Energy relays with traverse energy localization

Disclosed are relay elements exhibiting transverse localization. The relay elements may include a relay element body having one or more structures, where the structures can be coupled in series, in parallel and/or in stacked configurations. The structures may have multiple surfaces such that energy waves propagating therethrough the relay elements may experience spatial magnification or de-magnification.

METHODS AND APPARATUS FOR ARRANGING ATOMS IN ARRAYS

The present application discloses methods and apparatus for arranging atoms in arrays. A system for arranging atoms within a 3-dimensional space includes an optical system (920) operable to produce a plurality of switchable optical traps (925) within the 3- dimensional space, a sensor (930) configured to detect atoms within the plurality of switchable optical traps, a scanner (990) operable to simultaneously move multiple atoms within the plurality of switchable optical traps, and at least one controller (905) configured to operate the optical system and the scanner to sort atoms within the plurality of switchable optical traps into a desired configuration of atoms, said operation of the optical system and the scanner being based at least in part on sensor data generated by the sensor detecting atoms within the plurality of switchable optical traps.

Minimally invasive neutron beam generating device and minimally invasive neutron capture therapy system

A minimally invasive neutron beam generating device is provided. The minimally invasive neutron beam generating device includes a proton accelerator, a target, and a neutron moderator. The proton accelerator is connected to a first channel, the target is located at one end of the first channel, and the neutron moderator covers the end of the first channel so that the target is embedded in the neutron moderator. In addition, the neutron moderator includes an accommodating element for accommodating a moderating substance, and the accommodating element is retractable.